A showdown in the Arizona desert has seen Donald Trump go up against his former deputy Mike Pence.

The deal will enable Ukraine to export 22 million tonnes of grain and other agricultural products that have been stuck in Black Sea ports due to Russia’s invasion.

It counters long-standing assertions by Israel, Argentina and the US, and finds Hezbollah was expanding its reach to attack Israelis or Jews around the world.

Some coastal cities are already on their highest alert level and the forecast is for 40-degree heatwaves for the next 10 days.

Two children are the first paediatric cases in the US where more than 2800 have been recorded.

The collection of stars known as GLASS-z13, dates back to 300 million years after the Big Bang.

Harry, who lives in the US with his wife Meghan, had to bring his own private security detail when he returned to unveil a statue of his Princess Diana.

The best photos from the international wire agencies as chosen by our picture editors.

Steve Bannon defied a subpoena from the congressional committee investigating last year’s attack on the US Capitol.

Fears are growing that a tourist could inadvertently bring the disease back to Australia on their shoes, dealing a potential $80 billion blow to the economy.

Public prosecutors have charged three individuals with the June murder of British journalist Dom Phillips and indigenous expert Bruno Pereira.

Never before seen video was played to a committee hearing about the January 6 Capitol riots.

At least 50 protesters were injured, the organisers said, including some journalists who were beaten by security forces.

President Xi Jinping is expected to raise the AUKUS deal when he meets with Indonesian President Joko Widodo next week.

Former White House staffers say Donald Trump was repeatedly urged to call off the violent mob but instead sat back in his private dining room and watched the rampage for hours.

This week, two series of articles showcase the important work the Herald undertakes.

Two former White House aides are expected to give live testimony during the hearing, which will be broadcast on prime-time TV.

The January 6 committee has released a blooper reel of Donald Trump resisting efforts from his staff for him to condemn the riots.

The new US ambassador made clear she can command a room without raising her voice, gently telling off a male reporter for interrupting a female journalist.

Monarch butterfly populations in North America declined between 22 and 72 per cent in 10 years, depending on the measure. But tiger numbers are on the up.